Spain_FalsoTecho_TecsoundFt75+Lm+YL+TecsoundSy50+YL

m2 Acoustic insulation of ceiling consisting of a 60/27 mm galvanised steel sheet structure, onto which two 12.5 mm gypsum plasterboards are screwed with a self-adhesive synthetic acoustic insulation sheet with a polymeric base without asphalt of 2,000 Kg/m3 with a density of 7 Kg/m2 and 3.5 mm thick, type TECSOUND SY 70 between the plates; prior placement of a soundproofing complex on the slab consisting of a porous textile fibre felt and Tecsound synthetic sheet, with a total of 7.6 Kg/m2 and 11 mm thickness, type TECSOUND FT 75, anchored to the slab using impact glue such as SOPRAGLUE ACOUSTIC and mechanical fixing with a PVC dowel type FIJACIÓN PT-H; anchoring the ceiling to the slab using shock absorbers; placement of absorbent material such as mineral wool of 50 mm thickness and density 50 Kg/m3 in the air chamber.